the octagonal case and geometric links decorated with old-cut diamonds and calibre-cut onyx, enclosing the silvered dial with Arabic numerals, diamond crown, 18-jewel movement, to the foliate chased gallery in platinum, and completed by a double mesh strap with diamond-set hoops in 18 karat white gold, length 6 1/2 inches, with French assay marks, dial signed Coven-Lacloche